meta: add c++ wrapper of core module

core-mm/include/blue/core/encoding.hpp

@@ -0,0 +1,106 @@
+#ifndef BLUE_CORE_ENCODING_HPP_
+#define BLUE_CORE_ENCODING_HPP_
+
+#include <blue/core/encoding.h>
+#include <cstddef>
+#include <cstdint>
+
+namespace blue::core
+{
+class wchar
+{
+    public:
+	static const int32_t INVALID = B_WCHAR_INVALID;
+
+	wchar();
+	wchar(std::int32_t v)
+	    : val_(v)
+	{
+	}
+	static wchar decode(const char *s);
+
+	operator int32_t() const
+	{
+		return val_;
+	}
+
+	bool is_alpha(void) const
+	{
+		return b_wchar_is_alpha(val_);
+	}
+	bool is_number(void) const
+	{
+		return b_wchar_is_number(val_);
+	}
+	bool is_bin_digit(void) const
+	{
+		return b_wchar_is_bin_digit(val_);
+	}
+	bool is_oct_digit(void) const
+	{
+		return b_wchar_is_oct_digit(val_);
+	}
+	bool is_hex_digit(void) const
+	{
+		return b_wchar_is_hex_digit(val_);
+	}
+	bool is_space(void) const
+	{
+		return b_wchar_is_space(val_);
+	}
+	bool is_alnum(void) const
+	{
+		return b_wchar_is_alnum(val_);
+	}
+	bool is_punct(void) const
+	{
+		return b_wchar_is_punct(val_);
+	}
+
+	bool is_valid_utf8_scalar(void) const
+	{
+		return b_wchar_utf8_is_valid_scalar(val_);
+	}
+	unsigned int get_utf8_codepoint_size(void) const
+	{
+		return b_wchar_utf8_codepoint_size(val_);
+	}
+
+	unsigned int encode_utf8(char s[4]) const
+	{
+		return b_wchar_utf8_codepoint_encode(val_, s);
+	}
+
+    private:
+	int32_t val_ = B_WCHAR_INVALID;
+};
+
+class utf8
+{
+    public:
+	static unsigned int decode_header(char c)
+	{
+		return b_wchar_utf8_header_decode(c);
+	}
+	static unsigned int get_codepoint_stride(const char *s)
+	{
+		return b_wchar_utf8_codepoint_stride(s);
+	}
+	static std::size_t get_codepoint_count(const char *s, std::size_t nr_bytes)
+	{
+		return b_wchar_utf8_codepoint_count(s, nr_bytes);
+	}
+	static std::size_t get_string_encoded_size(
+		const wchar *s, std::size_t nr_codepoints)
+	{
+		return b_wchar_utf8_string_encoded_size(
+			reinterpret_cast<const b_wchar *>(s), nr_codepoints);
+	}
+
+    private:
+	utf8() = delete;
+	~utf8() = delete;
+};
+}
+
+#endif

core-mm/include/blue/core/misc.hpp

@@ -0,0 +1,46 @@
+#ifndef BLUE_CORE_MISC_HPP_
+#define BLUE_CORE_MISC_HPP_
+
+#define Z__B_ENUM_CLASS_BITWISE_OPS(enum_name)                                 \
+	inline constexpr enum_name operator&(enum_name x, enum_name y)         \
+	{                                                                      \
+		return static_cast<enum_name>(                                 \
+			static_cast<int>(x) & static_cast<int>(y));            \
+	}                                                                      \
+                                                                               \
+	inline constexpr enum_name operator|(enum_name x, enum_name y)         \
+	{                                                                      \
+		return static_cast<enum_name>(                                 \
+			static_cast<int>(x) | static_cast<int>(y));            \
+	}                                                                      \
+                                                                               \
+	inline constexpr enum_name operator^(enum_name x, enum_name y)         \
+	{                                                                      \
+		return static_cast<enum_name>(                                 \
+			static_cast<int>(x) ^ static_cast<int>(y));            \
+	}                                                                      \
+                                                                               \
+	inline constexpr enum_name operator~(enum_name x)                      \
+	{                                                                      \
+		return static_cast<enum_name>(~static_cast<int>(x));           \
+	}                                                                      \
+                                                                               \
+	inline enum_name &operator&=(enum_name &x, enum_name y)                \
+	{                                                                      \
+		x = x & y;                                                     \
+		return x;                                                      \
+	}                                                                      \
+                                                                               \
+	inline enum_name &operator|=(enum_name &x, enum_name y)                \
+	{                                                                      \
+		x = x | y;                                                     \
+		return x;                                                      \
+	}                                                                      \
+                                                                               \
+	inline enum_name &operator^=(enum_name &x, enum_name y)                \
+	{                                                                      \
+		x = x ^ y;                                                     \
+		return x;                                                      \
+	}
+
+#endif

core-mm/include/blue/core/object.hpp

@@ -0,0 +1,40 @@
+#ifndef BLUE_CORE_OBJECT_HPP_
+#define BLUE_CORE_OBJECT_HPP_
+
+#include <blue/core/object.h>
+
+namespace blue::core
+{
+class type;
+class object
+{
+    public:
+	static const size_t MAGIC = B_OBJECT_MAGIC;
+	object(object &) = delete;
+	object(object &&);
+
+	~object();
+
+	bool operator!()
+	{
+		return ptr_ == nullptr;
+	}
+
+	void to_string(void) const;
+	bool is_type(const type &type) const;
+	b_object *ptr(void)
+	{
+		return ptr_;
+	}
+	const b_object *ptr(void) const
+	{
+		return ptr_;
+	}
+
+    protected:
+	object() = default;
+	b_object *ptr_ = nullptr;
+};
+}
+
+#endif

core-mm/include/blue/core/status.hpp

@@ -0,0 +1,62 @@
+#ifndef BLUE_CORE_STATUS_HPP_
+#define BLUE_CORE_STATUS_HPP_
+
+#include <blue/core/status.h>
+
+namespace blue
+{
+class status
+{
+    public:
+#define __MM_STATUS_ENUM(name) name = B_ERR_##name
+	enum _status : int {
+		SUCCESS = B_SUCCESS,
+		__MM_STATUS_ENUM(NO_MEMORY),
+		__MM_STATUS_ENUM(OUT_OF_BOUNDS),
+		__MM_STATUS_ENUM(INVALID_ARGUMENT),
+		__MM_STATUS_ENUM(NAME_EXISTS),
+		__MM_STATUS_ENUM(NOT_SUPPORTED),
+		__MM_STATUS_ENUM(BAD_STATE),
+		__MM_STATUS_ENUM(NO_ENTRY),
+		__MM_STATUS_ENUM(NO_DATA),
+		__MM_STATUS_ENUM(NO_SPACE),
+		__MM_STATUS_ENUM(UNKNOWN_FUNCTION),
+		__MM_STATUS_ENUM(BAD_FORMAT),
+		__MM_STATUS_ENUM(IO_FAILURE),
+		__MM_STATUS_ENUM(IS_DIRECTORY),
+		__MM_STATUS_ENUM(NOT_DIRECTORY),
+		__MM_STATUS_ENUM(PERMISSION_DENIED),
+		__MM_STATUS_ENUM(BUSY),
+		__MM_STATUS_ENUM(COMPRESSION_FAILURE),
+		__MM_STATUS_ENUM(TYPE_REGISTRATION_FAILURE),
+		__MM_STATUS_ENUM(CLASS_INIT_FAILURE),
+	};
+
+	status() = default;
+	status(_status v)
+	    : v_(static_cast<b_status>(v))
+	{
+	}
+	status(b_status v)
+	    : v_(v)
+	{
+	}
+
+	bool operator!() const
+	{
+		return v_ != B_SUCCESS;
+	}
+
+	operator b_status() const
+	{
+		return v_;
+	}
+	const char *to_string(void);
+	const char *description(void);
+
+    private:
+	b_status v_ = B_SUCCESS;
+};
+}
+
+#endif

core-mm/include/blue/core/stream.hpp

@@ -0,0 +1,135 @@
+#ifndef BLUE_CORE_STREAM_HPP_
+#define BLUE_CORE_STREAM_HPP_
+
+#include <blue/core/encoding.hpp>
+#include <blue/core/misc.hpp>
+#include <blue/core/object.hpp>
+#include <blue/core/status.hpp>
+#include <blue/core/stream.h>
+#include <blue/core/type.hpp>
+#include <cstdarg>
+#include <cstddef>
+#include <cstdio>
+#include <string>
+
+namespace blue::core
+{
+class stream_buffer : public object
+{
+};
+
+class stream : public object
+{
+    public:
+	enum class mode : int {
+		READ = B_STREAM_READ,
+		WRITE = B_STREAM_WRITE,
+		BINARY = B_STREAM_BINARY,
+		__STATIC = Z__B_STREAM_STATIC,
+	};
+
+	enum class seek_origin : int {
+		START = B_STREAM_SEEK_START,
+		CURRENT = B_STREAM_SEEK_CURRENT,
+		END = B_STREAM_SEEK_END,
+	};
+
+	static type get_type(void);
+	static stream &in(void);
+	static stream &out(void);
+	static stream &err(void);
+
+	stream(stream &) = delete;
+
+	stream(std::FILE *fp);
+
+	status reserve(std::size_t len);
+	status seek(long long offset, seek_origin origin);
+	std::size_t cursor(void) const;
+
+	status push_indent(int indent);
+	status pop_indent(void);
+
+	status read_char(wchar &c);
+
+	status read_bytes(void *buf, std::size_t count, std::size_t &nr_read);
+	status read_bytes(void *buf, std::size_t count)
+	{
+		std::size_t tmp;
+		return read_bytes(buf, count, tmp);
+	}
+
+	status read_line(char *s, std::size_t max);
+	status read_line(std::string &out);
+	status read_line(stream &dest);
+
+	status read_all_bytes(void *p, std::size_t max, std::size_t &nr_read);
+	status read_all_bytes(
+		stream &dest, stream_buffer &buf, std::size_t &nr_read);
+
+	status read_all_bytes(void *p, std::size_t max)
+	{
+		std::size_t tmp;
+		return read_all_bytes(p, max);
+	}
+
+	status read_all_bytes(stream &dest, stream_buffer &buf)
+	{
+		std::size_t tmp;
+		return read_all_bytes(dest, buf);
+	}
+
+	status write_char(wchar c);
+	status write_string(const char *s, std::size_t &nr_written);
+	status write_string(const char *s)
+	{
+		std::size_t tmp;
+		return write_string(s, tmp);
+	}
+
+	status write_string(const std::string &s, std::size_t &nr_written)
+	{
+		return write_string(s.c_str(), nr_written);
+	}
+	status write_string(const std::string &s)
+	{
+		std::size_t tmp;
+		return write_string(s, tmp);
+	}
+
+	status write_bytes(
+		const void *buf, std::size_t count, std::size_t &nr_written);
+	status write_bytes(const void *buf, std::size_t count)
+	{
+		std::size_t tmp;
+		return write_bytes(buf, count, tmp);
+	}
+
+	status write_fmt(std::size_t &nr_written, const char *format, ...);
+	status write_vfmt(
+		std::size_t &nr_written, const char *format, std::va_list arg);
+
+	status write_fmt(const char *format, ...)
+	{
+		std::size_t tmp;
+		std::va_list arg;
+		va_start(arg, format);
+		status s = write_vfmt(tmp, format, arg);
+		va_end(arg);
+		return s;
+	}
+
+	status write_vfmt(const char *format, std::va_list arg)
+	{
+		std::size_t tmp;
+		return write_vfmt(tmp, format, arg);
+	}
+
+    protected:
+	stream() = default;
+};
+}
+
+Z__B_ENUM_CLASS_BITWISE_OPS(blue::core::stream::mode)
+
+#endif

core-mm/include/blue/core/stringstream.hpp

@@ -0,0 +1,23 @@
+#ifndef BLUE_CORE_STRINGSTREAM_HPP_
+#define BLUE_CORE_STRINGSTREAM_HPP_
+
+#include <blue/core/stream.hpp>
+
+namespace blue::core
+{
+class stringstream : public stream
+{
+    public:
+	stringstream();
+	stringstream(char *buf, std::size_t max);
+
+	status reset();
+	status reset(char *buf, std::size_t max);
+
+	const char *get_ptr() const;
+	char *steal_ptr();
+	std::size_t get_length() const;
+};
+}
+
+#endif

core-mm/include/blue/core/type.hpp

@@ -0,0 +1,24 @@
+#ifndef BLUE_CORE_TYPE_HPP_
+#define BLUE_CORE_TYPE_HPP_
+
+#include <blue/core/type.h>
+
+namespace blue::core
+{
+class type
+{
+    public:
+	type(b_type p)
+	{
+		ptr_ = p;
+	}
+	~type() = default;
+
+	type(type &) = default;
+
+    private:
+	const union b_type_id *ptr_;
+};
+}
+
+#endif